An Encylopedia Britannica Company

tachometer

1 ENTRIES FOUND:
tachometer /tæˈkɑːmətɚ/ noun
plural tachometers
tachometer
/tæˈkɑːmətɚ/
noun
plural tachometers
Britannica Dictionary definition of TACHOMETER
[count] technical
: a device that measures how fast something (such as a wheel) is turning see picture at car; compare odometer, speedometer